Heartland
Truck Pullers
Central MN Truck Pullers Club
Stock Diesel 9000#
Stock is Stock!
This class is designed for your everyday Factory stock truck. With the exemption of aftermarket tuning.
1. Ballast: No hanging of front weights is allowed. No weights in cab. Must be placed in the box.
2.Body: The body must be the OEM from factory.
3. Driveline: An OEM transmission, transfer case, and drive axles only. Stock style suspension only. Lift kits allowed. Traction bars permitted, Must be bolt on only.
4. Fuel: Factory OEM the fuel must be pump #1/#2 or Soy/Biodiesel. Fuel must be commercially available. OEM fuel tank must be used. No propane, NOS. or water injection.
5. Hitch: The hitch must be a factory receiver-style hitch. 3.75 inch hitch hole must be exposed at rear of vehicle. Hook point needs to be rearward of the complete factory rear bumper; bumper cannot be cut out or modified to allow the hook point forward from the factory location. Final decision of legality of all hitches resides with the head tech official. Maximum 24 inch hitch height. No roll pans. Must retain factory bumpers.
6. Suspension- Factory suspension. No after market over loads. Air bags must be flat.
7. Turbos- Stock size and for OEM application billet drop in wheels of stock size allowed.
8. Engine: Blocks must circulate coolant freely. All factory belt driven accessories, must be retained and powered via the crankshaft by a standard serpentine or “V” belt.
9. Tires: The tires must be DOT street tires. Tech Inspection: During tech inspection driver must comply with all tech requests. Tech official has final say.
*All General Rules Apply
Helmets are required for ALL CLASSES
updated 05/28/2026